Modified Bitumen Roof On Concrete Deck

Gaf ruberoid modified bitumen roof systems for wood decks.

Modified bitumen roof on concrete deck.

When these decks are used as a substrate for built up or modified bitumen roofing the following criteria are recommended. The tile tech pedestal system is designed for concrete pavers to lay level over a built up roof. Lightweight concrete 82 5 psf. Modified bitumen 2 ply membrane.

There are a number of structural roof deck types. The modified bitumen membrane sheeting is the main element of the roofing system and it is made from an infusion of polyester fiberglass or a combination of both. Modified bitumen app sbs deck type. Consult a professional to determine if a vapour retarder is a necessary component for your roofing system.

Gypsum roof board 1 2 inch thick. Gaf conventional built up roof system for concrete decks. Topside pressure relief is also suggested. The modified bitumen roofing system consists of six foundational elements.

Trade names of products manufactured or labeled by applicant. The substrate can be either concrete or wood structure with a roof membrane over the top. Gaf ruberoid modified bitumen roof systems for cementitious wood fiber decks. Certainteed modified bitumen roof system over concrete decks.

When lightweight insulating concrete is poured over a galvanized metal deck the metal deck should be perforated to provide underside venting. Gaf ruberoid modified bitumen roof systems for gypsum decks. Multi ply sbs modified bitumen roofing lightweight insulating concrete paradiene 20 30 nvs insulation. Steel decks wood decks concrete decks lightweight insulating concrete decks and cementitious structural wood fiber decks.

Ice and water shield self adhering. The pedestal system consists of 7 standard pieces and user supplied recommended schedule 3034 4 215 diameter pvc pipe. Modified bitumen roofing membranes 5 the deck must be completely dry. Dibiten will not be responsible for leaks resulting from splits in the roof membrane which are caused by cracking of the gypsum or light weight insulating concrete deck regardless of the causes of the deck cracking.